18440838

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 44721600

約数和(自身を除く): 26280762

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 109, 117, 218, 234, 241, 327, 351, 482, 654, 702, 723, 981, 1417, 1446, 1962, 2169, 2834, 2943, 3133, 4251, 4338, 5886, 6266, 6507, 8502, 9399, 12753, 13014, 18798, 25506, 26269, 28197, 38259, 52538, 56394, 76518, 78807, 84591, 157614, 169182, 236421, 341497, 472842, 682994, 709263, 1024491, 1418526, 2048982, 3073473, 6146946, 9220419, 18440838]

約数ペア:

[(1, 18440838), (2, 9220419), (3, 6146946), (6, 3073473), (9, 2048982), (13, 1418526), (18, 1024491), (26, 709263), (27, 682994), (39, 472842), (54, 341497), (78, 236421), (109, 169182), (117, 157614), (218, 84591), (234, 78807), (241, 76518), (327, 56394), (351, 52538), (482, 38259), (654, 28197), (702, 26269), (723, 25506), (981, 18798), (1417, 13014), (1446, 12753), (1962, 9399), (2169, 8502), (2834, 6507), (2943, 6266), (3133, 5886), (4251, 4338)]